UIMA-4069 Redesign of JD toward the main goal of classpath separation for container (system) code.

Enable MetaCas prefix verification which is now fixed under Maven build.

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1636868 13f79535-47bb-0310-9956-ffa450edef68